I am having difficulty getting the prepaid billing logic to work. Below is what I have done
- So I created a customer as prepaid.
- Assigned an internet tarrif plan and selected duration 2017-10-02-2017-11-01
- Added a transaction
- Added invoice from transaction
- went to invoice section and activated paid.
After a day in the billing overview the customer has negative balance and customer appears block.
Although I have effected payment for 1 month.
Any clues what I might be doing wrong?